:root { 
    --range-thumb-color: #4299E1; 
    --range-track-color: #4A5568; 
    --scrollbar-thumb-color: #4A5568; 
    --scrollbar-track-color: #2D3748; 
}

body, html { 
    height: 100%; 
    margin: 0; 
    padding: 0; 
    background-color: #1A202C; 
    color: #E2E8F0; 
    overflow: hidden; 
}

aside::-webkit-scrollbar { 
    width: 8px; 
}

aside::-webkit-scrollbar-track { 
    background: var(--scrollbar-track-color); 
}

aside::-webkit-scrollbar-thumb { 
    background: var(--scrollbar-thumb-color); 
    border-radius: 4px; 
}

input[type="range"] { 
    -webkit-appearance: none; 
    appearance: none; 
    width: 100%; 
    height: 8px; 
    background: var(--range-track-color); 
    border-radius: 5px; 
    outline: none; 
    opacity: 0.7; 
    transition: opacity 0.2s; 
}

input[type="range"]:hover { 
    opacity: 1; 
}

input[type="range"]::-webkit-slider-thumb { 
    -webkit-appearance: none; 
    appearance: none; 
    width: 20px; 
    height: 20px; 
    background: var(--range-thumb-color); 
    border-radius: 50%; 
    cursor: pointer; 
}

input[type="range"]::-moz-range-thumb { 
    width: 20px; 
    height: 20px; 
    background: var(--range-thumb-color); 
    border-radius: 50%; 
    cursor: pointer; 
}

body.ar-active { 
    overflow: hidden; 
}

#ar-container { 
    position: fixed; 
    top: 0; 
    left: 0; 
    width: 100%; 
    height: 100%; 
    z-index: 100; 
}

#stop-ar-button { 
    position: absolute; 
    bottom: 20px; 
    left: 50%; 
    transform: translateX(-50%); 
    z-index: 110; 
}

#viewer-container canvas { 
    display: block; 
    width: 100%; 
    height: 100%; 
}

#viewer-container.hotspot-mode canvas { 
    cursor: crosshair; 
}

.spinner { 
    border: 4px solid rgba(255, 255, 255, 0.3); 
    border-radius: 50%; 
    border-top: 4px solid #fff; 
    width: 40px; 
    height: 40px; 
    animation: spin 1s linear infinite; 
}

@keyframes spin { 
    0% { transform: rotate(0deg); } 
    100% { transform: rotate(360deg); } 
}

#loader { 
    position: absolute; 
    top: 50%; 
    left: 50%; 
    transform: translate(-50%, -50%); 
    z-index: 3; 
    display: none; 
}

.viewer-overlay { 
    position: absolute; 
    padding: 8px 12px; 
    background-color: rgba(0, 0, 0, 0.5); 
    border-radius: 8px; 
    font-size: 0.8rem; 
    pointer-events: none; 
    color: #E2E8F0; 
}

#controls-help { 
    bottom: 10px; 
    left: 10px; 
}

#reset-view-btn { 
    top: 10px; 
    right: 10px; 
    pointer-events: auto; 
    cursor: pointer; 
    background-color: rgba(0, 0, 0, 0.5); 
    border: none; 
    transition: background-color 0.2s; 
}

#reset-view-btn:hover { 
    background-color: rgba(0, 0, 0, 0.7); 
}

/* Estilos para controles de video en RA */
#ar-video-controls { 
    position: absolute; 
    bottom: 80px; 
    left: 50%; 
    transform: translateX(-50%); 
    z-index: 110; 
    display: flex; 
    gap: 10px; 
}

.ar-video-btn { 
    background-color: rgba(0, 0, 0, 0.6); 
    color: white; 
    border: 1px solid white; 
    padding: 10px 15px; 
    border-radius: 8px; 
    cursor: pointer; 
    font-size: 16px; 
    transition: background-color 0.2s; 
}

.ar-video-btn:hover { 
    background-color: rgba(0, 0, 0, 0.8); 
}

/* Estilos para secciones colapsables */
details > summary { 
    list-style: none; 
}

details > summary::-webkit-details-marker { 
    display: none; 
}

details > summary .marker { 
    transition: transform 0.2s ease-in-out; 
}

details[open] > summary .marker { 
    transform: rotate(180deg); 
}